#include<stdio.h>
#if _WIN32
  #include<windows.h>
  #define SLEEP(t) Sleep(t*1000)
#elif __linux__
  #include<unistd.h>
  #define SLEEP(t) sleep(t)
#endif
int main()
{
    printf("睡一会儿\n");
    SLEEP(5);//睡眠5秒
    printf("醒了\n");
    return 0;
}